Sony STR-DB798 Service Manual page 62

STR-DB798
DIGITAL BOARD IC1201 CXD9718BQ (AUDIO DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
1 VSS
2
XRST
3
EXTIN
4
FS2
5 VDDI
6
FS1
7
PLOCK
8
VSS
9 MCLK1
10
VDDI
11
VSS
12
MCLK2
13 MS
14
SCKOUT
15
LRCKI1
16
VDDE
17
BCKI1
18 SDI1
19
LRCKO
20
BCKO
21
VSS
22 KFSIO
23 to 26
SDO1 to SDO4
27
SPDIF
28
LRCKI2
29
BCKI2
30
SDI2
31
VSS
32
HACN
33
HDIN
34
HCLK
35
HDOUT
36
HCS
37 SDCLK
38
CLKEN
39
RAS
40
VDDI
41 VSS
42
CAS
43
DQM/OE0
44
CS0
45 WE0
46
VDDE
62
I/O
- Ground terminal
I
System reset signal input from the system controller "L": reset
I
Master clock signal input terminal Not used
I
Sampling frequency selection signal input terminal Not used
- Power supply terminal (+2.5V)
I
Sampling frequency selection signal input terminal Not used
O
Internal PLL lock signal output terminal Not used
-
Ground terminal
I System clock input terminal (13.9 MHz)
-
Power supply terminal (+2.5V)
-
Ground terminal
O
System clock output terminal (13.9 MHz)
I Master/slave setting terminal "L": internal clock, "H": external clock Fixed at "L" in this set
O
Internal system clock output terminal Not used
L/R sampling clock signal (44.1 kHz) input from the A/D converter and digital audio interface
I
receiver
-
Power supply terminal (+3.3V)
I
Bit clock signal (2.8224 MHz) input from the A/D converter and digital audio interface receiver
I Audio serial data input from the A/D converter
O
L/R sampling clock signal (44.1 kHz) output to the lip sync adjust and D/A converter
O
Bit clock signal (2.8224 MHz) output to the lip sync adjust and D/A converter
-
Ground terminal
I Audio clock signal input from the digital audio interface receiver
O
Audio serial data output to the lip sync adjust
O
SPDIF signal output terminal Not used
L/R sampling clock signal (44.1 kHz) input from the A/D converter and digital audio interface
I
receiver
I
Bit clock signal (2.8224 MHz) input from the A/D converter and digital audio interface receiver
I
Audio serial data input from the digital audio interface receiver
-
Ground terminal
O
Acknowledge signal output to the system controller
I
Serial data input from the system controller
I
Serial data transfer clock signal input from the system controller
O
Serial data output to the system controller
I
Chip select input from the system controller
I Write signal input from the system controller
O
SD-RAM chip enable output terminal Not used
O
Row address strobe signal output terminal Not used
-
Power supply terminal (+2.5V)
- Ground terminal
O
Column address strobe signal output terminal Not used
O
Output terminal of data input/output mask Not used
O
Chip select signal output to the S-RAM
O Write enable signal output to the S-RAM
-
Power supply terminal (+3.3V)
Description